diff options
Diffstat (limited to 'src/backend/statistics/extended_stats.c')
| -rw-r--r-- | src/backend/statistics/extended_stats.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c index 5fa36e0036e..0d106f0343f 100644 --- a/src/backend/statistics/extended_stats.c +++ b/src/backend/statistics/extended_stats.c @@ -182,7 +182,7 @@ BuildRelationExtStatistics(Relation onerel, double totalrows, continue; } - /* compute statistics target for this statistics */ + /* compute statistics target for this statistics object */ stattarget = statext_compute_stattarget(stat->stattarget, bms_num_members(stat->columns), stats); @@ -195,7 +195,7 @@ BuildRelationExtStatistics(Relation onerel, double totalrows, if (stattarget == 0) continue; - /* evaluate expressions (if the statistics has any) */ + /* evaluate expressions (if the statistics object has any) */ data = make_build_data(onerel, stat, numrows, rows, stats, stattarget); /* compute statistic of each requested type */ @@ -257,9 +257,9 @@ BuildRelationExtStatistics(Relation onerel, double totalrows, * when analyzing only some of the columns, this will skip statistics objects * that would require additional columns. * - * See statext_compute_stattarget for details about how we compute statistics - * target for a statistics object (from the object target, attribute targets - * and default statistics target). + * See statext_compute_stattarget for details about how we compute the + * statistics target for a statistics object (from the object target, + * attribute targets and default statistics target). */ int ComputeExtStatisticsRows(Relation onerel, @@ -329,8 +329,8 @@ ComputeExtStatisticsRows(Relation onerel, * * When computing target for extended statistics objects, we consider three * places where the target may be set - the statistics object itself, - * attributes the statistics is defined on, and then the default statistics - * target. + * attributes the statistics object is defined on, and then the default + * statistics target. * * First we look at what's set for the statistics object itself, using the * ALTER STATISTICS ... SET STATISTICS command. If we find a valid value @@ -1789,8 +1789,8 @@ statext_mcv_clauselist_selectivity(PlannerInfo *root, List *clauses, int varReli /* * The clause was not estimated yet, and we've extracted either - * attnums of expressions from it. Ignore it if it's not fully - * covered by the chosen statistics. + * attnums or expressions from it. Ignore it if it's not fully + * covered by the chosen statistics object. * * We need to check both attributes and expressions, and reject if * either is not covered. |